Sorry for this question but why do rabbis wear « scarp » and is there a signification for the color ? Like why is it white and blue/black ? Thanks
Hmm.. it seems like there is a typo in your question. What do you mean by “scarp”? Did you mean to type, “scarf”? If so, I think that you might be referring to the Jewish prayer shawl known in Hebrew as a talit, or talis in Yiddish (or to be more specific, a talit gado/large talit)
Talitot (Hebrew, plural) are not only worn by rabbis, but are worn by cantors and all other Jews who are above the age of Bar or Bat Mitzvah. Please note that all adult Jews (above the age of 12/13), including converts and those who did not have a Bar or Bat Mitzvah, are traditionally obligated to wear a talit. It is also worth noting that in the Traditional World, only men are obligated to wear talitot, but in the Progressive World men, women, and people of all genders are either included in the mitzvah and/or are encouraged to wear talitot if they feel comfortable to do so.
When does one wear a talit? Whenever the Torah is taken from the ark, traditionally during morning services when wrapping tefillin, on Yom Kippur evening services (Kol Nidre services), and is traditionally worn by the Shaliach Tzibur (the people leading services) during prayer.
Talitot come in many different colors. Personally, my regular talis is dark blue with a silver lining. In some more traditional communities, men will generally wear very traditional-looking looking talitot like I believe you are describing in your post. In my community, we wear talitot of all sorts of colors, shapes, sizes with all kinds of beautiful designs!
I hope that this answered your question– if not, please resubmit or shoot me a direct message to clarify!